html,
body {
  width: 100%;
  height: 100%;
}
.box_bg {
  width: 100%;
  height: 100%;
  background-image: url("../../images/login.jpg");
  background-repeat: no-repeat;
  background-position: center center;
  background-size: cover;
  position: relative;
}
.login_box {
  width: 320px;
  height: 340px;
  margin: 0 auto;
  position: absolute;
  top: 50%;
  margin-top: -170px;
  left: 50%;
  margin-left: -160px;
  background: rgba(255, 255, 255, 0.3);
  box-shadow: 0 0 10px 2px greenyellow;
}
.login_top {
  width: 100%;
}
.login_top a {
  display: block;
  width: 100%;
  line-height: 50px;
  font-size: 18px;
  color: greenyellow;
  text-align: center;
  margin-top: 15px;
}
.login_con {
  margin: 0 40px 0 40px;
}
.login_con p {
  color: #5e5e5e;
  line-height: 30px;
}
.input_box {
  margin-bottom: 10px;
}
.input_box small {
  font-size: 12px;
  line-height: 25px;
}
.input_box small.wrong {
  color: #f72307;
}
.input_box small.wrong:before {
  display: block;
  width: 14px;
  height: 14px;
  content: '';
  background-image: url(../../images/wrong.png);
  background-size: 100% 100%;
  background-repeat: no-repeat;
  float: left;
  margin-top: 5px;
  margin-right: 5px;
  margin-left: 5px;
}
.input_box small.right {
  color: greenyellow;
}
.input_box small.right:before {
  display: block;
  width: 14px;
  height: 14px;
  content: '';
  background-image: url(../../images/right.png);
  background-size: 100% 100%;
  background-repeat: no-repeat;
  float: left;
  margin-top: 5px;
  margin-right: 5px;
  margin-left: 5px;
}
.login_con input {
  border: 1px solid greenyellow;
  width: 100%;
  height: 30px;
  text-indent: 15px;
}
.login_con input.focus {
  box-shadow: 1px 2px 10px 0px greenyellow ;
}
#loginIn {
  width: 50px;
  height: 30px;
  float: right;
  margin-top: 10px;
  text-align: center;
  text-indent: 0;
  background: blue;
  border: none;
  color: #fff;
}
#loginIn:hover {
  background: cornflowerblue ;
}
